/// <summary>
/// Convert the value extracted from the source object into an equivalent value suitable
/// to be assigned to the target property, based on the copying behaviour assigned
/// </summary>
/// <param name="value"></param>
/// <param name="behaviour"></param>
/// <param name="objectMap"></param>
/// <returns></returns>
private static object ValueToAssign(object value, ref CopyBehaviour behaviour,
CopyBehaviour itemsBehaviour, ref Dictionary <object, object> objectMap)
{
if (behaviour == CopyBehaviour.MAP ||
behaviour == CopyBehaviour.MAP_OR_COPY ||
behaviour == CopyBehaviour.MAP_OR_DUPLICATE)
{
//Attempt to map:
if (objectMap != null && value != null && objectMap.ContainsKey(value))
{
value = objectMap[value];
}
//Fallback behaviours on mapping fail:
else if (behaviour == CopyBehaviour.MAP_OR_COPY)
{
behaviour = CopyBehaviour.COPY;
}
else if (behaviour == CopyBehaviour.MAP_OR_DUPLICATE)
{
behaviour = CopyBehaviour.DUPLICATE;
}
else
{
behaviour = CopyBehaviour.DO_NOT_COPY;
}
}
//Non-mapping behaviours:
if (behaviour == CopyBehaviour.DUPLICATE)
{
if (value is IDuplicatable)
{
IDuplicatable dupObj = value as IDuplicatable;
value = dupObj.Duplicate(ref objectMap, itemsBehaviour);
}
else
{
behaviour = CopyBehaviour.COPY;
}
}
return(value);
}
/// <summary>
/// 複製可能なオブジェクトの複製を行う
/// Nullチェック付き
/// </summary>
/// <typeparam name="Duplicated">複製されるオブジェクト型</typeparam>
/// <param name="origin">複製される雛形オブジェクト</param>
/// <returns>複製されたオブジェクト</returns>
public static Duplicated Duplicate <Duplicated>(this IDuplicatable <Duplicated> origin)
where Duplicated : IDuplicatable <Duplicated>
=> origin != null?origin.MemberwiseClonePublic() : default(Duplicated);
